EP1905892B1 - Câble en fibres synthétiques, installation d'ascenseur comportant un tel câble en fibres synthétiques et procédé pour fabriquer un câble en fibres synthétiques - Google Patents

Câble en fibres synthétiques, installation d'ascenseur comportant un tel câble en fibres synthétiques et procédé pour fabriquer un câble en fibres synthétiques Download PDF

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Publication number
EP1905892B1
EP1905892B1 EP07116797A EP07116797A EP1905892B1 EP 1905892 B1 EP1905892 B1 EP 1905892B1 EP 07116797 A EP07116797 A EP 07116797A EP 07116797 A EP07116797 A EP 07116797A EP 1905892 B1 EP1905892 B1 EP 1905892B1
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EP
European Patent Office
Prior art keywords
strands
strand
strand layer
millimetres
synthetic fibre
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EP07116797A
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German (de)
English (en)
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EP1905892A3 (fr
EP1905892A2 (fr
Inventor
Florian Dold
Adolf Bissig
Alessandro D'apice
Herbert Bachmann
Manfred Wirth
Tobias Noseda
Roland Lorenz
Claudio De Angelis
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Inventio AG
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Inventio AG
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Publication of EP1905892A3 publication Critical patent/EP1905892A3/fr
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    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
    • D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B7/00—Other common features of elevators
    • B66B7/06—Arrangements of ropes or cables
    • B66B7/062—Belts
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
    • D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/22—Flat or flat-sided ropes; Sets of ropes consisting of a series of parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2201/00—Ropes or cables
    • D07B2201/10—Rope or cable structures
    • D07B2201/1004—General structure or appearance
    • D07B2201/1008—Several parallel ropes
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2039—Polyesters
    • D07B2205/2042—High performance polyesters, e.g. Vectran
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2205/00—Rope or cable materials
    • D07B2205/20—Organic high polymers
    • D07B2205/2046—Polyamides, e.g. nylons
    • D07B2205/205—Aramides
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B2501/00—Application field
    • D07B2501/20—Application field related to ropes or cables
    • D07B2501/2007—Elevators

Definitions

  • the invention relates to a synthetic fiber rope consisting of stranded in at least one strand layer arranged strands according to the definition of the independent claim. Furthermore, it relates to an elevator installation with such a synthetic fiber rope.
  • EP 1 004 700 A2 is a synthetic fiber rope for an elevator system consisting of an outer strand layer with stranded strands, an inner strand layer with stranded stranded wires and a core strand has become known, in which instead of an extruded, protective plastic sheath, a coating of the strands is provided.
  • the strands of each strand layer support each other in the circumferential direction.
  • the strands of the outermost layer of strands are treated with an impregnating agent, which ensures reliable protection against environmental influences as well as sufficient abrasion resistance.
  • US 3,111,001 is a synthetic rope known. Several strands are arranged around a cable core, wherein the cable core is deformed by the strands.
  • the invention aims to remedy this situation.
  • the invention as characterized in claim 1, solves the problem of providing a supporting and blowing agent in the form of a synthetic fiber rope with optimum transmission of traction forces from strand layer to strand layer.
  • the invention also relates to an elevator installation with such a carrying and blowing agent.
  • the advantages achieved by the invention are essentially to be seen in the fact that the synthetic fiber rope works properly and thus the life of the synthetic fiber rope is extended.
  • the synthetic fiber rope according to the invention is used as a carrier and propellant, for example an elevator installation, wherein the carrying and propellant is guided over at least one traction sheave and over deflection rollers and has to withstand bending changes.
  • the inventive synthetic fiber rope and the safety of the elevator system is improved.
  • the transmission of the traction force takes place via friction forces between traction sheave and cable sheathing.
  • the initiation of the traction forces between the sheath and outer strands of the synthetic fiber rope is in itself unproblematic, since the sheath is firmly connected to the outer strands.
  • to transfer the traction forces from the outer strands to the inner strands is problematic when the strands layers and their strands are mutually displaceable.
  • the power transmission between outer and inner strands is done by friction.
  • the normal force necessary for the traction force transmission is created by the introduction of tensile force into the outer strands, which constrict inwards and, called a radial contact pressure also called Schnürtik, exert on the inner strands.
  • a radial contact pressure also called Schnürtik
  • the outer strands can only exert a radial pressure inwards if they can move radially in the direction of the cable center. If the radial degree of freedom is blocked, no radial pressure can be exerted.
  • Oversize strands with too large a diameter form a kind of vault with the gleichlagigen strands and are not able to move radially further inward. Therefore, there must be given in the circumferential direction distance in particular between the individual outer strands.
  • the inventive support and propellant in the form of a synthetic fiber rope consists of stranded in at least one strand layer arranged strands, wherein the strands of a strand layer in the circumferential direction are mutually spaced without the strands are embedded.
  • the synthetic fiber rope 1 has a plurality of strand layers, an outer strand layer 2, a first inner strand layer 3, a second inner strand layer 4 and a core strand 5.
  • a cable sheath is denoted by 6.
  • Structure and diameter of the strands 7 of the outer strand layer 2 are the same.
  • the first inner strand layer consists in diameter of larger strands 8 and smaller strands 9.
  • the larger strands 8 correspond in diameter about the strands 10 of the second inner strand layer 4 and the core strand 5.
  • the strands 7 of the outer strand layer 2 are larger in diameter than that larger strands 8 of the first inner strand layer 3 and the strands 10 of the second inner strand layer 4.
  • the strands 8, 10 of the inner strand layers 3, 4 are larger in diameter than the smaller strands 9 of the first inner strand layer 3.
  • the larger strands 8 of the first inner strand layer 3 and the strands 10 of the second inner strand layer 4 are approximately equal in diameter as the core strand 5.
  • the strands 10 of the second inner strand layer 4 are stranded around the core strand 5
  • the strands 8.9 of the first inner strand layer 3 are to the second inner strand layer 4 is stranded
  • the strands 7 of the outer strand layer 2 are stranded around the first inner strand layer 3.
  • a strand 5,7,8,9,10 consists of stranded yarns, which in turn consist of unstretched or unidirectional synthetic fibers, wherein a yarn, for example, from 1000 synthetic fibers, also called filaments consists.
  • the Stranding of the yarns in the strands is provided so that the single fiber is oriented in the pulling direction of the rope or in the cable longitudinal axis. Each yarn is impregnated in a plastic bath.
  • the plastic surrounding a yarn or strand is also called matrix or matrix material.
  • the plastic of the yarns is homogenized by means of a heat treatment.
  • the strand then has a smooth strand surface and then consists of stranded, fully embedded in the plastic yarns.
  • the fibers are joined together by the matrix but have no direct contact with each other.
  • the matrix completely encloses or embeds the fibers and protects the fibers from abrasion and wear. Due to the rope mechanics, shifts occur between the individual fibers in the strands. These shifts are not converted by a relative movement between the filaments, but by a reversible stretching of the matrix.
  • the degree of filling of the strands describes the ratio of fiber content to matrix. This degree of filling can be defined by the proportional area of the fibers in the total cross section, as well as the weight fraction of the fibers in the total weight.
  • the degree of filling in the currently used aramid strands is between 35-80 area percent or 35-80% of the strand cross-sectional area consists of fibers and the remainder of matrix material.
  • the synthetic fiber rope 1 may be constructed of chemical fibers such as aramid fibers, vectran fibers, polyethylene fibers, polyester fibers, etc.
  • the synthetic fiber rope 1 can also consist of one or two or three or more than three strand layers.
  • Fig. 1 shows the inventive synthetic fiber rope 1, in which the strands of a strand layer are mutually spaced.
  • the distance between two strands 7 of the outer strand layer 2 is denoted by d1.
  • the distance between two strands 8,9 of the first inner strand layer 3 is denoted by d2.
  • the distance between two strands 10 of the second inner strand layer 4 is denoted by d3.
  • d1 may range from 0.05 mm to 0.3 mm and d2 and d3 may range from 0.01 mm to 0.08 mm.
  • d1 0.2 mm
  • d2 0.03 mm
  • d3 0.03 mm.
  • the distances between the individual strands is predetermined by the strand diameter, the lay length and the number of strands per strand layer.
  • the strands of the strand layer can move freely in the radial direction r in the direction of the cable center.
  • the strands of an outer strand layer exert a radial pressure on the strands of an inner strand layer.
  • the strands 7 of the outer strand layer 2 exert a radial pressure on the strands 8, 9 of the first inner strand layer 3, as symbolized by the arrows P2.
  • the radial pressure is transmitted from the strands 8.9 of the first inner strand layer 3 on the strands 10 of the second inner strand layer 4 as symbolized by the arrows P3.
  • the radial pressure is transmitted from the strands 10 of the second inner strand layer 4 to the core strand 5 as symbolized by the arrow P4.
  • the radial pressure increases from strand layer to strand layer inwards.
  • Each strand 7 of the outer strand layer 2 is based on two Litz 8.9 of the first inner strand layer 3 from.
  • Each smaller strand 9 of the first inner strand layer 3 is supported on a strand 10 of the second inner strand layer 4.
  • Each major strand 8 of the first inner strand layer 3 is supported on the same strand 10 as the smaller strand 9 and on another strand 10 of the second inner strand layer 4 from.
  • the diameter ranges or optimum diameter of the individual strands can be selected, for example, with a lay length of 80 mm as follows: Strand 5: diameter range 1.55 mm to 1.85 mm, diameter 1.66 mm; Strand 7: Diameter range 1.85 mm to 2.15 mm, diameter 1.97 mm; Strand 8: Diameter range 1.55 mm to 1.85 mm, diameter 1.66 mm; Strand 9: Diameter range 1.15 mm to 1.45 mm, diameter 1.28 mm; Strand 10: Diameter range 1.45 mm to 1.75 mm, diameter 1.58 mm.
  • the opposite the strands 7 much softer cable sheath 6 extends approximately to the first inner strand layer 3 and has no influence on the mutual support of the strands 7.
  • the soft sheath 6 acts in the circumferential direction Ur not as a support between the strands 7.
  • the strands 7 of the outer strand layer 2 are able to move radially inwardly.
  • the sheath material may be, for example, in the Shore hardness range of 75A to 95A, and the matrix material of the strands may be in the Shore hardness range of 50D to 75D, for example.
  • the synthetic fiber rope 1 can do without cable sheath 6, but the rope construction must be easily changed by the outer strand layer 2 against the inner Stranded layers 3,4 opposite (in the counter-strike) is stranded.
  • Fig. 2 shows a support and propellant for an elevator with two load-bearing, covered by a common, one-piece jacket 12 synthetic fiber ropes 1 after Fig. 1 that form a twin rope 11.
  • the twin rope 11 may be formed between the synthetic fiber ropes 1 together with the sheath 12 as a flat rope or have a taper 13 between the synthetic fiber ropes 1.
  • the common engagement surface of the twin rope 11 is seen with the traction sheave seen in cross-section of about each half a circle of synthetic fiber rope 1 and half taper 13.
  • the traction sheave surface is approximately complementary to the contour of the twin rope 11. It can also do more be enveloped as a pair of synthetic fiber parts 1 of a common sheath and form a Mehrlingsseil with or without taper between the synthetic fiber ropes 1.
  • an elevator system designated by 100 consisting of an elevator car 102 movable in a lift cage 103 and a counterweight 104.
  • the elevator car 103 with bottom 121 and ceiling 140 by means of a first guide rail 105 and by means of a second guide rail 106 out.
  • the counterweight 104 is guided by means of a third guide rail 107 and by means of a fourth, not shown guide rail.
  • the guide rails are supported in a well pit 108, with the vertical forces being directed into the well pit 108.
  • the guide rails 105,106,107 are connected with ironing not shown with the shaft wall.
  • buffers 109 are arranged, on which buffer plates 110 of the elevator car 103 and the counterweight 104 can put on.
  • the inventive synthetic fiber rope 1 or twin rope 11 is provided with a 2: 1 belt guide.
  • a mechanical linear drive 112 arranged on the second guide rail 106 drives the synthetic fiber rope 1 or twin rope 11 by one drive wheel 113 by one unit
  • the elevator car 103 or the counterweight 104 moves by half a unit.
  • the transmission of traction force takes place as mentioned above on frictional forces between the drive wheel and cable sheath.
  • the one end of the synthetic fiber rope 1 or twin rope 11 is arranged on a first cable hinge point 114 and the second end of the synthetic fiber cable 1 or twin cable 11 is arranged on a second cable hinge point 115.
  • the synthetic fiber rope 1 or twin rope 11 is guided via a first deflection roller 116, via a profile roller 117, via a second deflection roller 118, via a third deflection roller 119, via the drive wheel 113 and via a fourth deflection roller 120.
  • the arranged on the second guide rail 106 third guide roller 119 has a brake for normal operation.
  • Deflection rollers 122 of the linear drive 112 increase the wrap angle Not shown is the motor or the motors for the drive wheel 113.
  • the fourth guide roller 120 is disposed in the counterweight 104 and comparable in construction to the first guide roller 116 or to the second guide roller 118.
  • the synthetic fiber rope 1 or the carrying and blowing agent 11 can also be used for other known elevator drives.

Claims (14)

  1. Câble en fibres synthétiques (1) composé d'une couche de torons extérieure (2) avec des torons (7) tordus ensemble, d'une première couche de torons intérieure (3) avec des torons (8, 9) tordus ensemble, et d'un toron central (5), étant précisé que les torons (7, 8, 9) d'une couche (2, 3) sont espacés dans le sens circonférentiel (Ur), et que les torons (7, 8, 9) d'une couche de torons (2, 3) peuvent bouger librement dans le sens radial (r) en direction du toron central (5) et exercent une pression radiale sur les torons (8, 9, 5) situés plus à l'intérieur, et que la pression radiale va en augmentant vers l'intérieur, d'une couche de torons à l'autre.
  2. Câble en fibres synthétiques selon la revendication 1, étant précisé qu'il est prévu une seconde couche de torons intérieure (4) avec des torons (10) tordus ensemble.
  3. Câble en fibres synthétiques selon l'une des revendications 1 ou 2, étant précisé que l'espacement mutuel des torons d'une couche dans le sens circonférentiel (Ur) est défini préalablement par le diamètre des torons, le pas de toronnage et le nombre de torons par couche.
  4. Câble en fibres synthétiques selon la revendication 3, étant précisé que l'espacement mutuel (d1) des torons (7) de la couche extérieure (2) est situé dans la plage de 0,05 mm à 0,3 mm,
    que l'espacement mutuel (d2) des torons (8, 9) de la première couche intérieure (3) est situé dans la plage de 0,01 mm à 0,08 mm, et
    que l'espacement mutuel (d3) des torons (10) de la seconde couche intérieure (4) est situé dans la plage de 0,01 mm à 0,08 mm.
  5. Câble en fibres synthétiques selon l'une des revendications précédentes, étant précisé que les torons (7) de la couche extérieure (2) sont situés dans la plage de diamètre de 1,85 mm à 2,15 mm,
    que les torons (8, 9) de la première couche intérieure (3) sont situés dans la plage de diamètre de 1,55 mm à 1,85 mm ou dans la plage de diamètre de 1,15 mm à 1,45 mm,
    que les torons (10) de la seconde couche intérieure (4) sont situés dans la plage de diamètre de 1,45 mm à 1,75 mm, et
    que le toron central (5) est situé dans la plage de diamètre de 1,55 mm à 1,85 mm.
  6. Câble en fibres synthétiques selon la revendication 5, étant précisé que le plus petit toron (9) de la première couche intérieure (3) s'appuie sur un toron (10), que le toron (10) de la seconde couche intérieure (4) s'appuie sur un toron (5), et que les autres torons (7, 8) s'appuient chacun sur deux torons (8, 9, 10).
  7. Câble en fibres synthétiques selon l'une des revendications précédentes, étant précisé que les coefficients de friction (µ) entre les torons (7, 8, 9, 10) sont situés dans la plage = 0,2 à 0,45.
  8. Câble en fibres synthétiques selon l'une des revendications précédentes, étant précisé que la couche de torons extérieure (2) est enveloppée par une gaine de câble (6) et que la gaine de câble (6) va à peu près jusqu'à la première couche de torons intérieure (3).
  9. Câble en fibres synthétiques selon la revendication 8, étant précisé que le matériau de gaine est situé dans la plage de dureté Shore de 75A à 95A et qu'un matériau de matrice des torons est situé dans la plage de dureté Shore de 50D à 75D.
  10. Moyen de support et d'entraînement (11) pour un ascenseur, avec au moins deux câbles en fibres synthétiques (1) selon l'une des revendications précédentes, qui sont enveloppés par une gaine commune d'une seule pièce (12).
  11. Moyen de support et d'entraînement (11) selon la revendication 10, étant précisé que la gaine (12) présente entre deux câbles en fibres synthétiques (1) une partie rétrécie (13).
  12. Installation d'ascenseur (100) avec un câble en fibres synthétiques (1) selon l'une des revendications 1 à 9 ou avec un moyen de support et d'entraînement (11) selon l'une des revendications 10 ou 11.
  13. Installation d'ascenseur selon la revendication 12, étant précisé que le câble en fibres synthétiques (1) ou le moyen de support et d'entraînement (11) passe sur une poulie motrice (113) et déplace une cabine d'ascenseur (103) et un contrepoids (104).
  14. Procédé pour fabriquer un câble en fibres synthétiques, étant précisé que des fils sont fabriqués à partir de fibres synthétiques, que ces fils sont imprégnés dans un bain de manière synthétique et que plusieurs fils toronnés forment un toron qui, après toronnage des fils, est homogénéisé à l'aide d'un traitement thermique, que la surface des torons est lissée et les fils toronnés entièrement enrobés dans la matière synthétique, qu'à partir de torons (7, 8, 9) ainsi fabriqués sont formés par toronnage une couche de torons extérieure (2), une première couche de torons intérieure (3) et un toron central (5), que les torons (7, 8, 9) d'une couche (2, 3) sont espacés (d1, d2) mutuellement dans le sens circonférentiel (Ur), et que les torons (7, 8, 9) d'une couche (2, 3) peuvent bouger librement dans le sens radial (r) en direction du toron central (2) et exercent une pression radiale sur les torons (8, 9, 5) situés plus à l'intérieur, et que la pression radiale va en augmentant vers l'intérieur, d'une couche de torons à l'autre.
EP07116797A 2006-09-29 2007-09-20 Câble en fibres synthétiques, installation d'ascenseur comportant un tel câble en fibres synthétiques et procédé pour fabriquer un câble en fibres synthétiques Active EP1905892B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP07116797A EP1905892B1 (fr) 2006-09-29 2007-09-20 Câble en fibres synthétiques, installation d'ascenseur comportant un tel câble en fibres synthétiques et procédé pour fabriquer un câble en fibres synthétiques

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP06121572 2006-09-29
EP07116797A EP1905892B1 (fr) 2006-09-29 2007-09-20 Câble en fibres synthétiques, installation d'ascenseur comportant un tel câble en fibres synthétiques et procédé pour fabriquer un câble en fibres synthétiques

Publications (3)

Publication Number Publication Date
EP1905892A2 EP1905892A2 (fr) 2008-04-02
EP1905892A3 EP1905892A3 (fr) 2009-02-11
EP1905892B1 true EP1905892B1 (fr) 2011-11-16

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015213568A1 (de) * 2015-07-20 2017-01-26 Sgl Carbon Se Werkstoff mit mindestens zweischichtiger Hülle

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3180472B1 (fr) 2015-10-21 2018-03-21 Liebherr-Components Biberach GmbH Dispositif de détection d'un état d'usure limite d'un câble de fibres à haute résistance pour engins de levage
ES2896099T3 (es) 2015-12-16 2022-02-23 Teufelberger Fiber Rope Gmbh Método para determinar el estado de reemplazo por desgaste de una cuerda hecha de un material de fibra textil
KR102092145B1 (ko) 2017-04-20 2020-03-24 퇴펠베르게르 피베르 로페 게엠베하 크레인과 같은 호이스팅 장비용 고강도 섬유 로프
CN107700256A (zh) * 2017-10-12 2018-02-16 海瑞可（武汉）新材料有限公司 一种呈哑铃形电梯用牵引绳
WO2023222693A1 (fr) 2022-05-17 2023-11-23 Inventio Ag Courroie permettant de porter une cabine d'ascenseur et/ou un contrepoids d'un système d'ascenseur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL268562A (fr) * 1958-08-14 1900-01-01
US4202164A (en) * 1978-11-06 1980-05-13 Amsted Industries Incorporated Lubricated plastic impregnated aramid fiber rope
DE29924761U1 (de) * 1998-02-26 2005-06-23 Otis Elevator Co., Farmington Zugelement für einen Aufzug
EP1004700B1 (fr) * 1998-11-25 2011-02-16 Inventio AG Câble en fibres synthétiques sans gaine extérieure et procédé de fabrication correspondant
ZA200002574B (en) * 1999-06-11 2000-12-01 Inventio Ag Synthetic fiber rope to be driven by a rope sheave.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015213568A1 (de) * 2015-07-20 2017-01-26 Sgl Carbon Se Werkstoff mit mindestens zweischichtiger Hülle

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EP1905892A2 (fr) 2008-04-02

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